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ASN Lookup Tool
AS209242 CLOUDFLARESPECTRUM

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS209242
Organisation
Cloudflare London, LLC
Name
CLOUDFLARESPECTRUM
Total IPv4 Addresses
121,837
Total IPv4 Prefixes
355
Total IPv6 Prefixes
30
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,727 out of 78,230
Registry
Ripe
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2019-03-13
Registration Last Change
2019-06-20
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS3320
DE flagDeutsche Telekom AG
AS174
US flagCogent Communications
AS2516
JP flagKDDI CORPORATION
AS3257
US flagGTT Communications Inc.
Showing 5 of 22
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix5.10.244.0/22
Range From5.10.244.0
Range To5.10.247.255
Prefix5.175.141.0/24
Range From5.175.141.0
Range To5.175.141.255
Prefix5.182.34.0/24
Range From5.182.34.0
Range To5.182.34.255
Prefix5.182.84.0/24
Range From5.182.84.0
Range To5.182.84.255
Prefix5.182.85.0/24
Range From5.182.85.0
Range To5.182.85.255
Showing 5 of 355
IPv6 Active Prefixes
Prefix2001:503:ff40::/48
Range From2001:503:ff40::
Range To2001:503:ff40:ffff:ffff:ffff:ffff:ffff
Prefix2001:503:ff41::/48
Range From2001:503:ff41::
Range To2001:503:ff41:ffff:ffff:ffff:ffff:ffff
Prefix2001:503:ff42::/48
Range From2001:503:ff42::
Range To2001:503:ff42:ffff:ffff:ffff:ffff:ffff
Prefix2001:503:ff43::/48
Range From2001:503:ff43::
Range To2001:503:ff43:ffff:ffff:ffff:ffff:ffff
Prefix2001:df7:6e80::/48
Range From2001:df7:6e80::
Range To2001:df7:6e80:ffff:ffff:ffff:ffff:ffff
Showing 5 of 30
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.